Ray, J D Mapping quantitative trait loci associated with root penetration ability in rice (Oryza sativa L.). [electronic resource] - TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik May 1996 - 627-36 p. digital Publication Type: Journal Article ISSN: 0040-5752 Standard No.: 10.1007/BF00226082 doi